Vibration motor

A vibration motor includes a weight that rotates about a shaft, and has a centroid position different from a central axis of the shaft, a case with a protrusion portion that extends from a lower end of the circumferential surface portion, and a lower end portion of the shaft is fixed to a stator por...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Yamaguchi Tsuyoshi, Aoi Takayuki, Kiuchi Hiroyuki
Format: Patent
Sprache:eng
Schlagworte:
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